WO2014202610A3 - Connecting rod with bearing-less large end - Google Patents

Connecting rod with bearing-less large end Download PDF

Info

Publication number
WO2014202610A3
WO2014202610A3 PCT/EP2014/062728 EP2014062728W WO2014202610A3 WO 2014202610 A3 WO2014202610 A3 WO 2014202610A3 EP 2014062728 W EP2014062728 W EP 2014062728W WO 2014202610 A3 WO2014202610 A3 WO 2014202610A3
Authority
WO
WIPO (PCT)
Prior art keywords
layer
sprayed
metal
connecting rod
polymer
Prior art date
Application number
PCT/EP2014/062728
Other languages
French (fr)
Other versions
WO2014202610A2 (en
Inventor
Viviane MORAIS
Ronald G. II BROCK
Joachim WAGENGLAST
David Maloney
Original Assignee
Mahle International Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mahle International Gmbh filed Critical Mahle International Gmbh
Priority to DE112014002867.3T priority Critical patent/DE112014002867T5/en
Priority to CN201480030415.1A priority patent/CN105308336B/en
Priority to BR112015031631A priority patent/BR112015031631A2/en
Publication of WO2014202610A2 publication Critical patent/WO2014202610A2/en
Publication of WO2014202610A3 publication Critical patent/WO2014202610A3/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/32—Engines characterised by connections between pistons and main shafts and not specific to preceding main groups
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C7/00—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
    • F16C7/02—Constructions of connecting-rods with constant length
    • F16C7/023—Constructions of connecting-rods with constant length for piston engines, pumps or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/20—Sliding surface consisting mainly of plastics
    • F16C33/201—Composition of the plastic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/20—Sliding surface consisting mainly of plastics
    • F16C33/203—Multilayer structures, e.g. sleeves comprising a plastic lining
    • F16C33/205—Multilayer structures, e.g. sleeves comprising a plastic lining with two layers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/20—Sliding surface consisting mainly of plastics
    • F16C33/208—Methods of manufacture, e.g. shaping, applying coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
    • F16C9/04—Connecting-rod bearings; Attachments thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J7/00—Piston-rods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F16C17/028—Sliding-contact bearings for exclusively rotary movement for radial load only with fixed wedges to generate hydrodynamic pressure, e.g. multi-lobe bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/10—Alloys based on copper
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/02—Plastics; Synthetic resins, e.g. rubbers comprising fillers, fibres
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/20—Thermoplastic resins
    • F16C2208/58—Several materials as provided for in F16C2208/30 - F16C2208/54 mentioned as option
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2223/00—Surface treatments; Hardening; Coating
    • F16C2223/30—Coating surfaces
    • F16C2223/42—Coating surfaces by spraying the coating material, e.g. plasma spraying
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2223/00—Surface treatments; Hardening; Coating
    • F16C2223/30—Coating surfaces
    • F16C2223/70—Coating surfaces by electroplating or electrolytic coating, e.g. anodising, galvanising
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • F16C2240/60—Thickness, e.g. thickness of coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • F16C2240/70—Diameters; Radii
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/22—Internal combustion engines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2142—Pitmans and connecting rods
    • Y10T74/2162—Engine type

Abstract

A connecting rod of an internal combustion engine, that includes a large bore (16), and an interior bore surface. The current art uses soft metal bearing surfaces to reduce wear, and friction between the connecting rod inner diameter and the crankshaft journal surface. The soft metal bearing surface is a separate component of the engine. In this invention the large bore end interior diameter is coated with a hard material to reduce, or eliminate wear. The hard material is a metal or metal alloy applied to the inner diameter by a thermal spray method. A relatively soft polymer material can also be applied to the interior diameter surface of the con-rod bore. The relatively softer polymer acts as a first and sometimes a consumable layer, and applied over the thermal sprayed hard layer. The polymer layer is often used in conjunction with the sprayed metal layer. The polymer coating may be worn off the inner diameter surface; this delay in surface to surface contact to the sprayed metal layer has beneficial effects on the sprayed metal layer. The delay of surface to surface contact will usually result in a longer service life of the sprayed metal coating.
PCT/EP2014/062728 2013-06-17 2014-06-17 Connecting rod with bearing-less large end WO2014202610A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE112014002867.3T DE112014002867T5 (en) 2013-06-17 2014-06-17 Pleuselstange with bearingless big end
CN201480030415.1A CN105308336B (en) 2013-06-17 2014-06-17 Connecting rod with the big end of bearing-free
BR112015031631A BR112015031631A2 (en) 2013-06-17 2014-06-17 large end connecting rod without bearing

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201361835985P 2013-06-17 2013-06-17
US61/835,985 2013-06-17
US14/305,020 2014-06-16
US14/305,020 US9291192B2 (en) 2013-06-17 2014-06-16 Connecting rod with bearing-less large end

Publications (2)

Publication Number Publication Date
WO2014202610A2 WO2014202610A2 (en) 2014-12-24
WO2014202610A3 true WO2014202610A3 (en) 2015-05-07

Family

ID=52018133

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/062728 WO2014202610A2 (en) 2013-06-17 2014-06-17 Connecting rod with bearing-less large end

Country Status (5)

Country Link
US (1) US9291192B2 (en)
CN (1) CN105308336B (en)
BR (1) BR112015031631A2 (en)
DE (1) DE112014002867T5 (en)
WO (1) WO2014202610A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD801151S1 (en) * 2016-07-08 2017-10-31 Race Winning Brands, Inc. I-beam connecting rod
EP3587844A1 (en) 2018-06-21 2020-01-01 ThyssenKrupp Metalúrgica Campo Limpo Ltda. Connecting rod
CN109854618A (en) * 2019-03-26 2019-06-07 洛阳新强联回转支承股份有限公司 A kind of low friction spherical joint bearing of super-large diameter

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996004485A1 (en) * 1994-08-01 1996-02-15 Gerold Pankl Connecting rod
EP1167737A2 (en) * 2000-06-26 2002-01-02 Volkswagen Aktiengesellschaft Connecting rod
US20020157534A1 (en) * 2001-04-25 2002-10-31 Deere & Company, A Delaware Corporation Connecting rod bore profile for bushingless piston assembly
JP2006283905A (en) * 2005-04-01 2006-10-19 Taiho Kogyo Co Ltd Slide bearing
US20090078080A1 (en) * 2005-12-21 2009-03-26 Peter Kemnitz Connecting Rod for an Internal Combustion Engine and Method for Its Production
US20090145394A1 (en) * 2007-12-10 2009-06-11 Roberto Bueno Nigro Piston assembly and connecting rod having a profiled wrist pin bore therefor
DE102008003031A1 (en) * 2008-01-02 2009-07-09 Daimler Ag Connecting rod eye ovalization method for four-cylinder otto engine of motor vehicle, involves producing cylindrical processing bearing surfaces at rod eyes, and producing groove/notch at lateral edge area of rod eye by material abrasion
US20090290823A1 (en) * 2005-08-06 2009-11-26 Wolfgang Issler Modular Unit for an Internal Combustion Engine
US20110162614A1 (en) * 2010-01-07 2011-07-07 Lapp Michael T Profiled connecting rod bore with micro-dimples
US20130064490A1 (en) * 2011-09-13 2013-03-14 II Ronald G. Brock Thermal spray coating of sliding bearing lining layer

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US6329022B1 (en) 1997-07-28 2001-12-11 Volkswagen Ag Connecting rod with a high strength bearing layer
US6367151B1 (en) 1997-07-28 2002-04-09 Volkswagen Ag Connecting rod with thermally sprayed bearing layer
US6428630B1 (en) 2000-05-18 2002-08-06 Sermatech International, Inc. Method for coating and protecting a substrate
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US6874229B2 (en) * 2002-08-12 2005-04-05 Andrew S. Burns, Jr. Connecting rod with ellipitical opening and method for production
AT412075B (en) 2002-10-04 2004-09-27 Miba Gleitlager Gmbh METHOD FOR PRODUCING A WORKPIECE HAVING AT LEAST A BEARING EYE
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DE102004055228B4 (en) 2004-11-17 2010-09-30 Daimler Ag Thermally sprayed bearing shells for connecting rods
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DE102005055366A1 (en) 2004-12-10 2006-06-14 Mahle International Gmbh Connecting rod for an internal combustion engine and method for coating its sliding bearing surfaces
EP1900473A1 (en) 2006-09-15 2008-03-19 ThyssenKrupp Automotive AG Process for manufacturing a connecting rod
US20120114971A1 (en) * 2007-01-05 2012-05-10 Gerd Andler Wear resistant lead free alloy sliding element method of making
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Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996004485A1 (en) * 1994-08-01 1996-02-15 Gerold Pankl Connecting rod
EP1167737A2 (en) * 2000-06-26 2002-01-02 Volkswagen Aktiengesellschaft Connecting rod
US20020157534A1 (en) * 2001-04-25 2002-10-31 Deere & Company, A Delaware Corporation Connecting rod bore profile for bushingless piston assembly
JP2006283905A (en) * 2005-04-01 2006-10-19 Taiho Kogyo Co Ltd Slide bearing
US20090290823A1 (en) * 2005-08-06 2009-11-26 Wolfgang Issler Modular Unit for an Internal Combustion Engine
US20090078080A1 (en) * 2005-12-21 2009-03-26 Peter Kemnitz Connecting Rod for an Internal Combustion Engine and Method for Its Production
US20090145394A1 (en) * 2007-12-10 2009-06-11 Roberto Bueno Nigro Piston assembly and connecting rod having a profiled wrist pin bore therefor
DE102008003031A1 (en) * 2008-01-02 2009-07-09 Daimler Ag Connecting rod eye ovalization method for four-cylinder otto engine of motor vehicle, involves producing cylindrical processing bearing surfaces at rod eyes, and producing groove/notch at lateral edge area of rod eye by material abrasion
US20110162614A1 (en) * 2010-01-07 2011-07-07 Lapp Michael T Profiled connecting rod bore with micro-dimples
US20130064490A1 (en) * 2011-09-13 2013-03-14 II Ronald G. Brock Thermal spray coating of sliding bearing lining layer

Also Published As

Publication number Publication date
DE112014002867T5 (en) 2016-03-03
CN105308336A (en) 2016-02-03
BR112015031631A2 (en) 2017-07-25
US9291192B2 (en) 2016-03-22
US20140366833A1 (en) 2014-12-18
WO2014202610A2 (en) 2014-12-24
CN105308336B (en) 2018-05-01

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